Slip joint sink plumbing wrench



FIG. 1 is a perspective view of a slip joint sink plumbing wrench showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a side elevational view;

FIG. 5 is one end view; and

FIG. 6 is another end view. 

The ornamental design for a slip joint sink plumbing wrench, substantially as shown. 